Term
| Muscle fatigue usually develops because of an accumulation of _____________. |
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Definition
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Term
| The first signs of tetanus are _____, _____, and _______. |
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Definition
| Muscle spasms in the jaw, neck, and facial muscles. |
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Term
| Smooth muscle fibers contract and relax together, resulting in ______. |
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Definition
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Term
| Cardiac muscle is self-exciting, which means _________. |
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Definition
| It does not need nerve stimulation to contract. |
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Term
| Skeletal muscle produces _______ and _______. |
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Definition
| Body movements and facial expressions. |
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Term
| This covers entire skeletal muscles and separates them from each other. |
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Definition
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Term
| These are tough, cord-like structures that connect muscles to bones. |
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Definition
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Term
| The name of the attachment site for a muscle to the less movable bone. |
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Definition
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Term
| The prime mover, or _______, is the one muscle that is responsible for most of the movement. |
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Definition
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Term
| An attachment site for the more movable bone during muscle contraction. |
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Definition
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Term
| The ______ is a muscle that produces a movement opposite to the prime mover. |
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Definition
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Term
| The ____ ____ flexes the arm at the elbow and rotates the hand laterally. |
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Definition
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Term
| The ________ flexes the foot and flexes the leg at the knee; it is commonly referred to as the calf muscle. |
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Definition
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Term
| The ______ raises the arms and pulls the shoulders downward. |
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Definition
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Term
| ______ causes a decline in the speed and strength of muscle contractions, even though the actual endurance of muscle fibers changes very little. |
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Definition
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Term
| ______ and _____ _____ play important roles in generating nerve impulses. |
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Definition
| Potassium and Sodium Ions. |
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Term
| ______ in the CNS can make the blood-brain barrier more permeable. |
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Definition
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Term
| The spinal cord descends into the vertebral canal and ends at the _____ vertebra. |
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Definition
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Term
| Axons send information (nerve impulses) (toward or away from) the cell body. |
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Definition
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Term
| Interneurons are interpretive neurons that lie between the _____ and ______ nerves. |
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Definition
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Term
| Various _____ can cause muscles to contract or relax. |
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Definition
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Term
| The toughest and outermost layer of the meninges. |
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Definition
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Term
| The membranes that protect the brain and spinal cord. |
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Definition
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Term
| The middle layer of the meninges, named for its spider web-like appearance. |
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Definition
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Term
| The innermost and most delicate layer of the meninges. |
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Definition
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Term
| The ______ track of the spinal cord carries motor information down from the brain to the muscles and glands. |
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Definition
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Term
| The _______ track of the spinal cord carries sensory information to the brain. |
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Definition
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Term
| The brain is involved in the Reflex response. T/F? |
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Definition
| False. Nerve impulse moves from the receptors, to sensory neurons, to interneurons, to motor neurons, to effectors. |
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Term
| The largest part of the brain. |
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Definition
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Term
| The _____ ______ contain auditory areas that interpret sounds. |
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Definition
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Term
| Visual areas are located in the _______ _____ , and they interpret what a person sees. |
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Definition
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Term
| The ______ ______ contain motor areas that allow a person to consciously decide to produce a body movement. |
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Definition
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Term
| The Brainstem connects the ______ to the ______ ______. |
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Definition
| Cerebrum (to the) Spinal Cord. |
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Term
| The ________ coordinates complex skeletal muscle contractions needed for body movements such as walking, as well as the fine movements needed to write or play an instrument. |
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Definition
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Term
| Eating spicy foods activates ____ _______ on the tongue that the brain then interprets as "spicy." |
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Definition
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Term
| Mucous membranes that line the inner surfaces of the eyelids and cover the anterior surface of each eyeball. |
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Definition
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Term
| ______ ______ produce tears, which contain lysozymes that can destroy bacteria and viruses. |
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Definition
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Term
| Located on the medial aspect of each eyeball, these drain tears into the nose. |
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Definition
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Term
| A transparent area on the front of the eye that acts as a window to let light into the eye. |
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Definition
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Term
| The tough, outermost layer of the eye, which covers all except the front of the eye. |
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Definition
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Term
| _____ are nerve cells that function best in bright light. They are sensitive to color and provide sharper images than rods. |
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Definition
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Term
| A thick, jelly-like fluid that fills the posterior chamber of the eye. |
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Definition
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Term
| The size of the _____ regulates the amount of light that enters the eye. |
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Definition
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Term
| The shape of the lens is controlled by muscles in the _____ _____, and allows the eye to focus on near and far images. |
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Definition
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Term
| The anterior chamber of the eye is filled with a watery fluid called ______ ______, which provides nutrients to and bathes the structures in the anterior chamber of the eyeball. |
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Definition
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Term
| Nerve cells that are highly sensitive to light. They function in dim light, but they do not provide a sharp image or detect color. |
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Definition
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Term
| Name the three Ear Ossicles, or the tiny bones that vibrate. |
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Definition
| Malleus, Incus, and Stapes. |
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Term
| The ______ connects the ear to the throat to help maintain equal pressure on both sides of the eardrum. |
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Definition
| The Eustachian Tube, also called the Auditory Tube. |
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Term
| ______ is hearing loss due to the aging process. |
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Definition
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Term
| Taste cells that respond to sweet chemicals are concentrated at what part of the tongue? |
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Definition
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